Where does “παντάθλιος” come from?

παντάθλιος (Ancient Greek) comes from Ancient Greek ἄθλιος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

παντάθλιος (Ancient Greek): most wretched

Definitions

most wretched

Ancestry of “παντάθλιος”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἄθλιος	prize challenger
2	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
3	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek ἄθλιος →